Advantech PCA-6190 Manual do Utilizador descarregar pdf (Página 25)

17 ACP-4320 User Manual

Chapter 3 Operation

If the system is connected with a single PS/2 power supply, the Power LED is always

Green when power on.

When the PWR LED is RED, it indicates a redundant power supply failure. To stop

the alarm buzzer, press the Alarm Reset button. Then, check out the redundant

power supply right away and replace the failed power supply module with a good

one.

If the TEMP LED is RED and blinking, it means that the system detects an overly

high temperature in the chassis. An audible alarm is activated. To stop the alarm

buzzer, press the Alarm Reset button. Inspect the fan filter and the rear section of

the chassis immediately. Make sure airflow inside the chassis is smooth and not

blocked by dust or other particles.

When the HDD LED is Green and blinking, it indicates some data is written into or

read from the HDD. When it becomes no light, it indicates no data write/read is under

proceeding.

When the FAN LED is RED and blinking, it indicates a failed cooling fan, and the

alarm buzzer is also activated. To stop the alarm buzzer, press the Alarm Reset but-

ton, and replace the failed fan immediately.

When the LAN1/2 LED is Green, it indicates the LAN is linked but no data is transmit-

ted via the LAN. When it turns into blinking, it indicates some data is transmitted via

the LAN.

3.1.3 LED Indicators for SAS/SATA HDD Power & Status

Each SAS/SATA HDD tray has a pair of LED indicators for displaying the SAS/SATA

HDD power and the activity status. Please refer to Table 3.2 for the LED definition

summary.

When the system power is on and the SAS or SATA HDD is connected well, the HDD

power LED is Green. If it fails to light up, check if you connected the SAS or SATA

HDD well. Or please ask the technician to inspect the related cables in the chassis.

When the SAS or SATA HDD is transmitting data, the status LED blinks BLUE.

Table 3.2: SAS/SATA HDD LED indicator function

LED Description Green Blue

power of HDD HDD power on N/A

Status of HDD N/A Data access: Blinking

Idle: Light (SAS HDD)

No light (SATA HDD)

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